Kompa Guitar Riff

This is a 1.85 minute video response from DJ Phillips on Sep 15th, 2009

Question:

"I'm dying to know how to play this. I do not know what scale its played on. I I can find the first note but don't know how to figure out the rest of this riff. Please help. its the following link and it starts its the part 1 minute and 59 seconds into it. http://www.youtube.com/watch?v=gYID5wsduvE"